9947166 has 8 divisors (see below), whose sum is σ = 19894344. Its totient is φ = 3315720.

The previous prime is 9947153. The next prime is 9947177. The reversal of 9947166 is 6617499.

9947166 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

9947166 is an admirable number.

It is a super-2 number, since 2×9947166² = 197892222863112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828925 + ... + 828936.

It is an arithmetic number, because the mean of its divisors is an integer number (2486793).

Almost surely, 2^9947166 is an apocalyptic number.

9947166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9947166 is a wasteful number, since it uses less digits than its factorization.

9947166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657866.

The product of its digits is 81648, while the sum is 42.

The square root of 9947166 is about 3153.9128079261. The cubic root of 9947166 is about 215.0633741427.

The spelling of 9947166 in words is "nine million, nine hundred forty-seven thousand, one hundred sixty-six".